EP3848486C0 - Verfahren zur herstellung von mikroporöser pva-faser - Google Patents

Verfahren zur herstellung von mikroporöser pva-faser

Info

Publication number
EP3848486C0
EP3848486C0 EP20150824.9A EP20150824A EP3848486C0 EP 3848486 C0 EP3848486 C0 EP 3848486C0 EP 20150824 A EP20150824 A EP 20150824A EP 3848486 C0 EP3848486 C0 EP 3848486C0
Authority
EP
European Patent Office
Prior art keywords
pva fiber
producing microporous
microporous pva
producing
fiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20150824.9A
Other languages
English (en)
French (fr)
Other versions
EP3848486A1 (de
EP3848486B1 (de
Inventor
Juhong Zeng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Hongyu Medical Commodity Co Ltd
Original Assignee
Zhejiang Hongyu Medical Commodity Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Hongyu Medical Commodity Co Ltd filed Critical Zhejiang Hongyu Medical Commodity Co Ltd
Priority to EP20150824.9A priority Critical patent/EP3848486B1/de
Priority to US17/144,103 priority patent/US11624131B2/en
Priority to JP2021002329A priority patent/JP7179099B2/ja
Publication of EP3848486A1 publication Critical patent/EP3848486A1/de
Application granted granted Critical
Publication of EP3848486B1 publication Critical patent/EP3848486B1/de
Publication of EP3848486C0 publication Critical patent/EP3848486C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/02—Preparation of spinning solutions
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/06—Washing or drying
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/06—Wet spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D01D5/247—Discontinuous hollow structure or microporous structure
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/08—Addition of substances to the spinning solution or to the melt for forming hollow filaments
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
    • D01F11/06—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/14—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/10—Physical properties porous

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Artificial Filaments (AREA)
  • Materials For Medical Uses (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
EP20150824.9A 2020-01-09 2020-01-09 Verfahren zur herstellung von mikroporöser pva-faser Active EP3848486B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20150824.9A EP3848486B1 (de) 2020-01-09 2020-01-09 Verfahren zur herstellung von mikroporöser pva-faser
US17/144,103 US11624131B2 (en) 2020-01-09 2021-01-07 Method for preparing microporous PVA fiber
JP2021002329A JP7179099B2 (ja) 2020-01-09 2021-01-08 微孔化ポリビニルアルコール繊維の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20150824.9A EP3848486B1 (de) 2020-01-09 2020-01-09 Verfahren zur herstellung von mikroporöser pva-faser

Publications (3)

Publication Number Publication Date
EP3848486A1 EP3848486A1 (de) 2021-07-14
EP3848486B1 EP3848486B1 (de) 2024-10-09
EP3848486C0 true EP3848486C0 (de) 2024-10-09

Family

ID=69156244

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20150824.9A Active EP3848486B1 (de) 2020-01-09 2020-01-09 Verfahren zur herstellung von mikroporöser pva-faser

Country Status (3)

Country Link
US (1) US11624131B2 (de)
EP (1) EP3848486B1 (de)
JP (1) JP7179099B2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115233328B (zh) * 2022-09-23 2022-12-06 中山大学 一种超细氟橡胶纤维的制备方法
CN116371384B (zh) * 2022-12-28 2024-04-16 北京碧水源膜科技有限公司 钛基锂离子筛粉体的成型方法
CN116059440B (zh) * 2023-02-14 2023-12-19 厦门大学 一种具有各向异性的仿生肌肉材料及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4819219B1 (de) * 1970-02-20 1973-06-12
JPS5210932B2 (de) * 1973-01-16 1977-03-28
JPH02251608A (ja) * 1989-03-20 1990-10-09 Kuraray Co Ltd ポリビニルアルコール系繊維の製造法
JPH04240207A (ja) * 1991-01-22 1992-08-27 Unitika Ltd ポリビニルアルコール系繊維及びその製造法
JP2000154421A (ja) * 1998-11-16 2000-06-06 Kuraray Co Ltd ポリビニルアルコール系繊維の製造方法及び繊維
JP2001020133A (ja) * 1999-07-07 2001-01-23 Kuraray Co Ltd 低密度ポリビニルアルコール系繊維
JP2001303359A (ja) * 2000-04-24 2001-10-31 Kuraray Co Ltd ポリビニルアルコ−ル系繊維の製造方法
JP2001329428A (ja) * 2000-05-16 2001-11-27 Kuraray Co Ltd 難燃性ポリビニルアルコール系繊維
CN112921431A (zh) 2019-12-05 2021-06-08 湖南新金辐医疗科技有限公司 一种微孔化聚乙烯醇纤维的制备方法

Also Published As

Publication number Publication date
US11624131B2 (en) 2023-04-11
EP3848486A1 (de) 2021-07-14
US20210214860A1 (en) 2021-07-15
JP7179099B2 (ja) 2022-11-28
EP3848486B1 (de) 2024-10-09
JP2021110082A (ja) 2021-08-02

Similar Documents

Publication Publication Date Title
EP4108633A4 (de) Verfahren zur herstellung von lithiumhydroxid
EP4222800A4 (de) Verfahren zur herstellung von porösem silizium
EP4196843A4 (de) Verfahren zur herstellung von optischen vorrichtungsstrukturen
EP4116314A4 (de) Verfahren zur herstellung von 16alpha-hydroxyprednisolon
EP4334971A4 (de) Verfahren zur herstellung von molybdänkontakten
EP4374914A4 (de) Verfahren zur herstellung von retinagewebe
EP4023804A4 (de) Verfahren zur herstellung von faserartikeln
EP4277693C0 (de) Verfahren zur herstellung einer elektrodenanordnung
EP3965738C0 (de) Verfahren zur herstellung von liposomen
EP4460503A4 (de) Verbessertes verfahren zur herstellung von upadacitinib
EP4373800A4 (de) Verfahren zur herstellung von hexahydrocannabinol
EP3848486C0 (de) Verfahren zur herstellung von mikroporöser pva-faser
EP4084131A4 (de) Verfahren zur herstellung einer anode
EP3989975A4 (de) Verfahren zur herstellung von abrocitinib
EP3987353C0 (de) Verfahren zur herstellung von stegwellenleitern
EP4031228A4 (de) Verfahren zur herstellung von mikronadeln
EP4264246A4 (de) Verfahren zur herstellung bioelektronischer proteinvorrichtungen
EP4097057C0 (de) Verfahren zur herstellung von künstlichen glasfasern
EP4108649A4 (de) Verfahren zur herstellung von olefinen
EP4381050A4 (de) Verfahren zur herstellung von t-zellen
EP4371150A4 (de) Verfahren zur herstellung von halbleiterstrukturen
EP4093726A4 (de) Verfahren zur herstellung von methanol
EP4152944C0 (de) Verfahren zur herstellung von larvenzuchtsubstrat
EP4475844C0 (de) Verfahren zur herstellung von maribavir
EP4273308A4 (de) Verfahren zur herstellung von cellulosefasern

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210225

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20231031

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20240523

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602020038881

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

U01 Request for unitary effect filed

Effective date: 20241106

U07 Unitary effect registered

Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT RO SE SI

Effective date: 20241114

U20 Renewal fee for the european patent with unitary effect paid

Year of fee payment: 6

Effective date: 20250128

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250209

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241009

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241009

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250109

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250110

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241009

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250109

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241009

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241009

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241009

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20241009

26N No opposition filed

Effective date: 20250710

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20250109

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20250109

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20250131